50HZ Yuchai YC4A140-D30 80kW/100kVA Diesel Generator Set

50HZ Yuchai   80kW/100kVA Diesel Generator Set

1. Complete Technical Parameter Table

The following table consolidates official factory parameters and industry-standard universal configurations of the Yuchai YC4A140-D30 diesel generator set. All technical data is verified through Yuchai official bench calibration and long-term field operation tests, covering generator set power indicators, original diesel engine core specifications, alternator performance and daily operating parameters. This complete parameter sheet is applicable for equipment selection, engineering bidding, on-site installation guidance, commissioning and routine operational maintenance.

2. Product Features

The Yuchai YC4A140-D30 80kW/100kVA diesel generator set is a high-power industrial-grade power generation device built on Yuchai mature 4A series turbocharged intercooled engine platform. As a hot-selling 100kVA diesel generator in the medium and large power market, this unit adopts original Yuchai YC4A140-D30 industrial power core with Bosch high-pressure common rail fuel injection technology. It features strong power reserve, stable load response and durable operation performance, perfectly solving the problems of insufficient high-load resistance and unstable voltage output of ordinary 80kW diesel generator sets in harsh working conditions.

In terms of power supply stability, the unit supports 80kW long-term uninterrupted prime power operation and 88kW emergency standby power output. With 95kW rated engine power reserve, the equipment can easily cope with instantaneous startup surge of multiple high-power electrical devices and frequent load fluctuations. Even under long-term high-load continuous operation, there is no obvious voltage drop or frequency drift, ensuring standard 50Hz three-phase balanced power output. Equipped with high-quality industrial brushless self-excited alternator and high-precision AVR automatic voltage regulator, the unit delivers ultra-stable current output. Matched with H-grade ultra-high temperature resistant insulation materials, the alternator effectively avoids insulation aging and circuit breakdown caused by long-duration high-load heat accumulation, providing reliable power protection for industrial precision equipment and large engineering electrical devices.

Low maintenance cost and strong environmental adaptability are the core practical advantages of this Yuchai 80kW standby diesel generator set. Different from traditional brushed generators that require regular carbon brush replacement and routine maintenance, the brushless self-excited structure eliminates all wearable vulnerable parts, realizing long-term maintenance-free operation. It greatly reduces daily on-site maintenance workload and later operational investment, making it ideal for unattended industrial standby power and outdoor long-term power supply scenarios. The IP23 professional protection grade can effectively block outdoor dust, debris and splashing rainwater, adapting to open-air placement and harsh construction site environments. The high-rigidity alloy cast iron engine block and wet cylinder sleeve structure improve overall vibration resistance and structural stability, with convenient daily inspection and maintenance, extending the whole machine service life.

In terms of operational reliability and fuel economy, the YC4A140-D30 engine adopts turbocharged intercooled technology and optimized combustion chamber design. The fuel combustion is fully optimized, with full-load fuel consumption stably controlled at 25.4L/H, maintaining stable fuel efficiency during long-term variable-load operation. The four-cylinder in-line water-cooled structure runs smoothly with low vibration and low noise, reducing mechanical loss during high-intensity operation. The closed circulating water cooling system ensures continuous and efficient heat dissipation, avoiding overheating shutdown failure even in high-temperature summer environments with 24-hour full-load operation. Meanwhile, the complete intelligent safety protection system can automatically alarm and shut down in case of low oil pressure, high water temperature, overload, short circuit and overspeed, effectively preventing equipment damage and operational safety accidents.

The whole machine adopts integrated compact base design with reasonable internal layout and small floor space, supporting fixed indoor installation and mobile trailer refitting. It can meet the dual application needs of long-term fixed emergency standby power for large industrial plants and short-term mobile temporary power for large-scale engineering projects. Complying with non-road National Stage III emission standards, the unit has low exhaust pollution and meets environmental protection requirements of various industrial parks and municipal construction zones. Backed by Yuchai’s strict factory quality inspection and nationwide after-sales service network, this 100kVA diesel generator has low failure rate, strong versatility and high cost performance, becoming a preferred high-power power generation equipment for industrial and engineering users.

3. Application Scenarios

With excellent high-load resistance, fast transient response, stable power output and diverse installation forms, the YC4A140-D30 Yuchai diesel generator set is widely used in large industrial emergency standby power, municipal key engineering temporary power supply, outdoor field off-grid power generation and large commercial public facility backup power, covering all mainstream medium and high-power power demand scenarios.

3.1 Large Industrial Production Emergency Standby Power

This 80kW diesel generator serves as the core backup power equipment for large processing factories, mechanical manufacturing bases, chemical plants, food processing enterprises and constant-temperature storage warehouses. For large-scale production lines and precision industrial equipment that cannot withstand sudden power outage, the unit can start quickly and complete seamless power switching after municipal grid failure. Its strong high-load impact resistance effectively avoids batch product scrapping, mechanical equipment burnout and production progress stagnation caused by power interruption, ensuring the continuous and stable operation of industrial production systems.

3.2 Municipal & Large-scale Engineering Temporary Power

It is the mainstream temporary power supply equipment for municipal key projects, highway and bridge construction, water conservancy hub engineering, urban renovation and infrastructure expansion. Sufficient power reserve and fast load response speed can fully meet the simultaneous power consumption of multiple large welding machines, cutting equipment, engineering machinery and on-site full-coverage construction lighting. The dust-proof and vibration-resistant body structure adapts to muddy, dusty and harsh construction site environments, and the flexible mobile design supports frequent cross-site transfer, greatly improving engineering power supply efficiency and project construction progress.

3.3 Outdoor Field Off-grid Power Supply

The unit is perfectly applicable for large-scale field geological exploration, forest ecological protection, outdoor emergency rescue engineering, remote mountain infrastructure construction and field scientific research base operation. In remote areas without municipal grid coverage, it acts as an independent mobile power station to provide long-term stable 380V three-phase high-power power for field detection instruments, communication relay equipment and large operational auxiliary facilities. The reliable DC24V electric start system ensures smooth one-key startup in low-temperature, dry and high-altitude field environments with strong environmental tolerance.

3.4 Large Commercial & Public Facility Backup Power

It is widely equipped for emergency standby power of large business districts, high-star hotels, large supermarkets, scenic area supporting facilities, communication base stations and hospital auxiliary power systems. During municipal grid power failure, peak power limit or line maintenance periods, the unit provides stable power guarantee for building lighting, monitoring systems, weak current equipment and public service facilities, avoiding public service paralysis and economic losses caused by power outages, and ensuring the normal operation of urban key public facilities.

4. Core Purposes

The core purpose of the Yuchai YC4A140-D30 80kW/100kVA diesel generator set is to provide high-stability emergency standby power and high-reliability off-grid mobile high-power power supply for large industrial production, key engineering construction and urban public service fields. It solves various power supply risks such as municipal grid instability, sudden power failure and no grid coverage, and guarantees the continuous, safe and efficient operation of medium and large high-power electrical equipment. It is a high-performance universal power generation equipment integrating industrial standby and engineering temporary power generation.

Firstly, it undertakes critical emergency power backup tasks for large industrial enterprises. As a high-performance 100kVA standby diesel generator, it has abundant power reserve and ultra-fast transient response capability. It can automatically start and complete power switching in a short time after sudden grid power failure, effectively avoiding large-area industrial production shutdown losses and mechanical equipment safety accidents caused by power interruption, and protecting the stable operation of large factory production lines and precision industrial systems.

Secondly, it provides sustainable high-power off-grid power support for key engineering and remote field scenarios. In large-scale municipal engineering construction and unpowered remote areas, the unit operates as an independent mobile power generation system, outputting standard 50Hz frequency and stable three-phase high-power voltage. It fully meets the simultaneous high-load power demand of multiple large engineering mechanical equipment, solving the long-term power supply bottleneck of large-scale off-grid construction and field operation teams.

Thirdly, it balances high-power performance and long-term operational economy. With calibrated 25.4L/H full-load fuel consumption and Yuchai’s mature turbocharged intercooled energy-saving combustion technology, the unit maintains controllable comprehensive operating costs while delivering strong high-load power output. The brushless maintenance-free design and IP23 high-standard protection structure greatly reduce equipment failure rate and later maintenance investment, realizing long-term stable and low-cost high-intensity power generation operation.

Finally, as an upgraded flagship model of Yuchai 4A series high-power generator sets, it fills the market gap of high-reliability 80kW industrial power generation equipment. It perfectly matches the power demand of large industrial enterprises, key engineering construction teams and urban public property management units, and has become one of the most cost-effective and widely recognized high-power diesel generator sets in the industry market.

5. FAQ - Common Frequently Asked Questions

Q1: What is the actual fuel consumption of YC4A140-D30 generator set under different working loads?

A1: The official factory calibrated full-load (100% load) fuel consumption of this Yuchai 100kVA diesel generator set is 25.4L/H. In actual on-site operation, fuel consumption changes linearly with the working load. Under 50% light load, the fuel consumption is about 12.5-13.2L/H; under 75% conventional daily working load, the fuel consumption is controlled at 18.8-19.5L/H. Adopting Bosch high-pressure common rail fuel injection and turbocharged intercooled combustion technology, the fuel burns fully and evenly with a stable fuel consumption curve. There will be no sudden fuel surge during long-term continuous high-load operation, which helps industrial and engineering users accurately control daily power generation costs.

Q2: What are the core practical advantages of the brushless self-excited alternator equipped on this unit?

A2: This Yuchai 80kW diesel generator adopts industrial-grade brushless self-excited alternator, which has obvious practical advantages over traditional brushed alternators for high-power scenarios. Firstly, it completely cancels wearable carbon brush components, realizing true long-term maintenance-free operation, eliminating regular replacement and maintenance costs, and reducing on-site equipment management pressure for unattended scenarios. Secondly, matched with intelligent AVR automatic voltage regulation technology, the voltage fluctuation rate is extremely low, outputting ultra-stable current, which can effectively protect large industrial equipment and precision instruments from burnout caused by unstable voltage. Thirdly, the fully enclosed structure paired with H-grade ultra-high temperature insulation and IP23 protection grade delivers excellent dust-proof, rain-proof and high-temperature resistance, adapting to various complex and harsh industrial workshops and construction site environments.

Q3: How is the environmental adaptability and startup reliability of the YC4A140-D30 generator set?

A3: This high-power Yuchai generator set has excellent environmental adaptability and ultra-high startup stability for complex working conditions. It adopts standard DC24V electric start system with optional ATS automatic start function, enabling one-time successful startup in low-temperature, dry and high-altitude environments without manual auxiliary operation. The applicable ambient temperature ranges from -15℃ to 45℃, adapting to seasonal temperature changes in most regions. The closed circulating water cooling system effectively controls operating temperature, avoiding overheating shutdown during 24-hour continuous full-load operation in high-temperature environments. The IP23 protection grade resists daily dust erosion and splashing rainwater, supporting outdoor open-air placement and indoor fixed installation, with strong universal compatibility for industrial, engineering and public facility scenarios.